Bierman's college career began at Vanderbilt, where he pitched 60 innings over two seasons. He transferred to Tampa and is a fifth-year senior who has battled through a long injury history that includes Tommy John surgery after the 2010 season, causing him to miss 2011. He returned to go 8-3, 2.27 this season and showed above-average control despite his past surgery, walking just 11 and striking out 85 in 83 innings. A 42nd-round pick back in 2007 by the Reds, he's a four-pitch strike-thrower who throws a fastball, changeup, curve and slider.

An unsigned 10th-rounder of the White Sox last June, O'Shea was set to go to Maryland but didn't qualify academically and wound up at Division II Tampa. He pitched well, going 7-2, 2.34 with just 13 walks in 92 innings. He's a fastball/changeup lefty whose fastball sits in the upper 80s and at times ranges from 90-92 mph. His durable 6-foot-6, 255-pound body and average changeup are other assets.